Prolonged PR Interval Is a Risk Factor for Bradycardia During Spinal Anesthesia
Spencer Liu, Greg E. Paul, Randall L. Carpenter, Carol Stephenson, Rae Wu
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jan 1995, 20 (1) 41-44; DOI: 10.1136/rapm-00115550-199520010-00007